/**
 * Basic grid and commands
 * @author W Wang
 */
public class Grid {
	private int[][] matrix;		
	
	public Grid() {
		matrix = new int[9][9];
	}
	
	public int getNum(int x, int y) {
		int number = matrix[x][y];		
		return number;
	}
	public void setNum(int x, int y, int val) {
		matrix[x][y] = val;
	}
	
}